Why do drummers always have trouble entering a room?
They never know when to come in!
When a young hotshot conductor was making his debut at the Met, he showed the jaded and skeptical orchestra how well he know the music by singing all parts of the Lucia sextet during rehearsal. Afterwards, one musician was overheard whispering to the other, impressed “Well, this kid really knows his stuff!”
The other replied :I don’t think he is so hot. Did you notice how flat his high E was at the end?”
What is a difference between a dog and viola?
The dog knows when to stop scratching.